The contact owns a 2020 Honda Pilot. The contact stated that while reversing, the rearview camera was not functioning properly. The rear-view image was distorted, compromising the back over prevention system. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 23V431000 (Back Over Prevention), but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was unknown.